marking the last mission of the Delta rocket family, as it carried a national security payload into orbit. At 12:53 p.m. EDT, the engines ignited, carrying the triple-booster rocket off the pad ...

sending a national security payload into orbit before concluding a 60-year history of the Delta rocket family. But the retirement will have to wait. ULA attempted to launch the Delta IV Heavy ...

In addition to its debut with Centaur, the RL-10 has also flown on the upper stage of the Saturn I and the Delta rocket family. The current version, the RL-10C, currently flies on the Atlas V and ...